Question 941519
{{{df/dx=3x^2}}}


At x=a, d/dx is 3a^2;
At x=b, d/dx is 3b^2.


Question specifies {{{(3a^2+3b^2)/2=3}}}, for the AVERAGE rate of change between a and b.


{{{(3/2)(a^2+b^2)=3}}}
{{{a^2+b^2=2}}}
Also specified, a and b to be INTEGERS?

<b>a=-1 and b=1.</b>